@inproceedings{sgem2017s19061,
  title = {RESEARCHES ON AIR PURIFICATION USING ULTRASONIC FILTERS},
  author = {Conf.dr.ing. Nitoi Dan Florin and Amza Gheorghe and Semenescu Augustin and Conf.dr.ing. Chivu Oana Roxana and Sef lucr.dr.ing. Amza Zoia},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 17th International Multidisciplinary Scientific GeoConference SGEM2017, Energy and Clean Technologies},
  year = {2017},
  pages = {483-490},
  publisher = {STEF92 Technology},
  doi = {10.5593/sgem2017h/43/s19.061}
}